High speed mono-slot punch

The utility model relates to a high speed mono-slot shaped punch, which can punch slotted holes of rotors of an electric machine and the slotted holes of silicon steel sheets of stators. The high speed mono-slot shaped punch is composed of a slotting mechanism, a main transmission mechanism, a graduation adjusting mechanism, a sheet press mechanism, a supporting sheet mechanism, etc. The slotting mechanism adopts a toggle rod structure; the main transmission mechanism of a crankshaft is arranged on the lower half part of the machine body; the front half part of the machine body is a centering block and a part head of a sliding block; the centering block is arranged on the upper part of the sliding block through a copper sleeve and a positioning shaft in a hinge form; the shape of the centering block is one toggle rod; the lower half toggle is connected with the sliding block through a connecting rod, a screw rod of a ball head, and a top and a bottom ball bowls. The utility model makes a machine tool have good rigidity; the stroke frequency is high; the installation and the maintenance are convenient; a centre of gravity of the machine tool can downwards move, and the installation and the maintenance are convenient.